<template>
  <div class="login-container">
    <el-image :src="bg_url" fit="cover" />
    <div class="user-container">

      <el-form
        ref="loginForm"
        :model="loginForm"
        :rules="loginRules"
        class="login-form"
        autocomplete="on"
        label-position="left"
      >

        <div class="title-container">
          <!-- <h3 class="title">托无忧运营支撑系统</h3> -->
          <h3 class="title" style="text-align: left;">管理系统</h3>
        </div>

        <el-form-item prop="username">
          <span class="svg-container">
            <svg-icon icon-class="user" />
          </span>
          <el-input
            ref="username"
            v-model.trim="loginForm.username"
            placeholder="请输入用户名"
            name="username"
            type="text"
            tabindex="1"
            autocomplete="on"
          />
        </el-form-item>

        <el-tooltip
          v-model="capsTooltip"
          content="Caps lock is On"
          placement="right"
          manual
        >
          <el-form-item prop="password">
            <span class="svg-container">
              <svg-icon icon-class="password" />
            </span>
            <el-input
              :key="passwordType"
              ref="password"
              v-model="loginForm.password"
              :type="passwordType"
              placeholder="请输入密码"
              name="password"
              tabindex="2"
              autocomplete="on"
              @keyup.native="checkCapslock"
              @blur="capsTooltip = false"
              @keyup.enter.native="handleLogin"
            />
            <span
              class="show-pwd"
              @click="showPwd"
            >
              <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
            </span>
          </el-form-item>
        </el-tooltip>

        <el-form-item prop="captcha" class="captcha">
          <span class="svg-container">
            <svg-icon icon-class="" />
          </span>
          <el-input
            ref="username"
            v-model.trim="loginForm.username"
            placeholder="请输入验证码"
            name="username"
            type="text"
            tabindex="1"
            autocomplete="on"
          />
        </el-form-item>

        <el-button
          :loading="loading"
          type="primary"
          style="width: 360px;height: 52px;background: linear-gradient( 180deg, #DC000C 0%, #E53D00 100%);border-radius: 4px 4px 4px 4px;"
          @click.native.prevent="handleLogin"
        >登录</el-button>

        <!-- <div style="position:relative">
          <div class="tips">
            <span>Username : admin</span>
            <span>Password : any</span>
          </div>
          <div class="tips">
            <span style="margin-right:18px;">Username : editor</span>
            <span>Password : any</span>
          </div>

          <el-button class="thirdparty-button" type="primary" @click="showDialog=true">
            Or connect with
          </el-button>
        </div> -->
      </el-form>

      <el-dialog
        title="Or connect with"
        :visible.sync="showDialog"
      >
        Can not be simulated on local, so please combine you own business simulation! ! !
        <br>
        <br>
        <br>
        <social-sign />
      </el-dialog>
    </div>

  </div>
</template>

<script>
// import { validUsername } from '@/utils/validate'
import SocialSign from './components/SocialSignin'
import { auth_status } from '@/api/user'
import md5 from 'js-md5'

export default {
  name: 'Login',
  components: { SocialSign },
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!value) {
        callback(new Error('用户名不能为空'))
      } else {
        callback()
      }
    }
    const validatePassword = (rule, value, callback) => {
      if (value.length < 6) {
        callback(new Error('密码不能少于六位'))
      } else {
        callback()
      }
    }
    return {
      bg_url: require('@/assets/login/background.png'),
      loginForm: {
        username: '',
        password: ''
      },
      loginRules: {
        username: [{ required: true, trigger: 'blur', validator: validateUsername }],
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {
    if (this.loginForm.username === '') {
      this.$refs.username.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    getStatus() {
      auth_status().then(res => {
      }).catch(err => {
        console.log(err)
      })
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          const { username, password } = this.loginForm
          this.$store.dispatch('user/login', { username: username, password: md5(password) })
            .then(() => {
              this.$router.push({ path: '/' })
              this.loading = false
            })
            .catch(() => {
              this.loading = false
            })
        } else {
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
    // afterQRScan() {
    //   if (e.key === 'x-admin-oauth-code') {
    //     const code = getQueryObject(e.newValue)
    //     const codeMap = {
    //       wechat: 'code',
    //       tencent: 'code'
    //     }
    //     const type = codeMap[this.auth_type]
    //     const codeName = code[type]
    //     if (codeName) {
    //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
    //         this.$router.push({ path: this.redirect || '/' })
    //       })
    //     } else {
    //       alert('第三方登录失败')
    //     }
    //   }
    // }
  }
}
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  .wrapper{margin-left: 0;backgroun-color: #FFFFFF;}
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: #F5F5F5;
    color: #454545;
    width: 360px;
    height: 50px;
    border-radius: 4px;
  }
  el-input{
    background-color: #F5F5F5;
  }
  .captcha{
    width: 224px;
    height: 50px;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  // background-color: $bg;
  background-color: #EEEEF1;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  .user-container{
        position: absolute;
        /* -webkit-transform: translate(-50%,-50%); */
        transform: translate(-50%,-50%);
        /* display: -webkit-box; */
        display: -ms-flexbox;
        display: flex;
        margin: auto;
        width: 100%;
        top: 50%;
        left: 50%;
        min-width: 840px;
        max-width: 100%;
        -webkit-box-align: stretch;
        -ms-flex-align: stretch;
        align-items: stretch;
  }
  // .wrapper{
  //   width: 50%;
  //   background: #FFFFFF;
  //   position: relative;
  //   max-width: 100%;
  //   padding: 36px 48px 0;
  //   margin: 0 auto;
  //   overflow: hidden;
  // }
  .login-form {
    // position: relative;
    // width: 520px;
    // max-width: 100%;
    // padding: 160px 35px 0;
    padding: 80px 64px 80px;
    overflow: hidden;
    backgroun-color: #FFFFFF;
    width: 488px;
    height: 553px;
    background: #FFFFFF;
    box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.1);
    border-radius: 23px 23px 23px 23px;
    margin: auto 7% auto 56%;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      // color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }
  el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background-color: #F5F5F5;
    color: #454545;
    width: 360px;
    height: 50px;
    border-radius: 4px;
  }
  el-input{background-color: #F5F5F5;}
  .captcha{
    width: 224px;
    height: 50px;
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
